Datasheet

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ATmega162/V
2513G–AVR–03/05
Extended Standby Mode .................................................................................... 43
Minimizing Power Consumption ......................................................................... 44
System Control and Reset................................................................ 46
Internal Voltage Reference................................................................................. 51
Watchdog Timer ................................................................................................. 51
Timed Sequences for Changing the Configuration of the Watchdog Timer ....... 55
Interrupts............................................................................................ 56
Interrupt Vectors in ATmega162......................................................................... 56
I/O-Ports.............................................................................................. 62
Introduction......................................................................................................... 62
Ports as General Digital I/O................................................................................ 63
Alternate Port Functions ..................................................................................... 67
Register Description for I/O-Ports....................................................................... 81
External Interrupts............................................................................. 83
8-bit Timer/Counter0 with PWM........................................................ 88
Overview............................................................................................................. 88
Timer/Counter Clock Sources............................................................................. 89
Counter Unit........................................................................................................ 90
Output Compare Unit.......................................................................................... 90
Compare Match Output Unit............................................................................... 92
Modes of Operation ............................................................................................ 93
Timer/Counter Timing Diagrams......................................................................... 97
8-bit Timer/Counter Register Description ........................................................... 99
Timer/Counter0, Timer/Counter1, and Timer/Counter3 Prescalers ...
103
16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)....... 105
Restriction in ATmega161 Compatibility Mode................................................. 105
Overview........................................................................................................... 105
Accessing 16-bit Registers ............................................................................... 108
Timer/Counter Clock Sources........................................................................... 111
Counter Unit...................................................................................................... 111
Input Capture Unit............................................................................................. 112
Output Compare Units...................................................................................... 114
Compare Match Output Unit............................................................................. 116
Modes of Operation .......................................................................................... 117
Timer/Counter Timing Diagrams....................................................................... 125
16-bit Timer/Counter Register Description ....................................................... 127
8-bit Timer/Counter2 with PWM and Asynchronous operation... 137